Using Analytics to Optimize Performance of a Messaging System via Topic Migration to Alternate Delivery Methods

1. A method for optimizing operation of a messaging system, the method comprising: wherein the messaging system is capable of using either of two delivery means to deliver each message of a plurality of messages to one or more users of a plurality of users, wherein each message of the plurality of messages is characterized by a topic of a plurality of topics, wherein each topic of the plurality of topics is initially associated with either one or the other of the two delivery means, wherein a first topic of the plurality of topics is associated with a first delivery means of the two delivery means, wherein the messaging system employs the first delivery means to deliver all messages characterized by the first topic, and wherein a first message of the plurality of messages is characterized by the first topic, a processor of a computer system determining that delivering the first message by the first delivery means triggers a warning condition, wherein the warning condition comprises a total number of write-interest calls to a particular socket of the messaging system exceeding a first threshold value, wherein the write-interest calls are associated with the first topic, and wherein the total number of write-interest calls are received by the messaging system within a set duration of time; the processor disassociating the first topic from the first delivery means; the processor reassociating the first topic with a second delivery means of the two delivery means that is distinct from the first delivery means; and the processor instructing the messaging system to begin delivering all messages associated with the first topic by the second delivery means.

2. The method of claim 1 , further comprising: the processor disassociating and reassociating only if the processor determines that delivering the first message by the second delivery means would not cause a characteristic of the first topic to trigger a warning condition.

3. The method of claim 1 , wherein the two delivery means consist of a push delivery means and a pull delivery means.

4. The method of claim 3 , wherein the pull delivery mechanism is selected from a group consisting of: HTTP polling, long polling, and busy-wait polling.

5. The method of claim 3 , wherein the push delivery means is a publish/subscribe communications architecture.

6. The method of claim 3 , wherein the first delivery means is a publish/subscribe communications architecture, wherein the delivering the first message by means of the first delivery means comprises communicating the first message to a first subset of users of the plurality of users, wherein the first subset of users comprises all users of the plurality of users that are subscribed to the first topic, and wherein the first delivery means comprises sending information to a recipient user of the first subset of users through a persistent connection between the messaging system and the recipient user.

7. The method of claim 6 , wherein the disassociating and reassociating comprises the processor automatically notifying the recipient user that the persistent connection between the messaging system and the recipient user will be closed and that the messaging system will begin delivering messages characterized by the first topic by the pull delivery means.

8. The method of claim 1 , further comprising providing at least one support service for at least one of creating, integrating, hosting, maintaining, and deploying computer-readable program code in the computer system, wherein the computer-readable program code in combination with the computer system is configured to implement the determining, the disassociating, the reassociating, and the configuring.

9. A computer program product, comprising a computer-readable hardware storage device having a computer-readable program code stored therein, said program code configured to be executed by a processor of a computer system to implement a method for optimizing operation of a messaging system, wherein the messaging system is capable of using either of two delivery means to deliver each message of a plurality of messages to one or more users of a plurality of users, wherein each message of the plurality of messages is characterized by a topic of a plurality of topics, wherein each topic of the plurality of topics is initially associated with either one or the other of the two delivery means, wherein a first topic of the plurality of topics is associated with a first delivery means of the two delivery means, wherein the messaging system employs the first delivery means to deliver all messages characterized by the first topic, and wherein a first message of the plurality of messages is characterized by the first topic, the method comprising: a processor of a computer system determining that delivering the first message by the first delivery means triggers a warning condition, wherein the warning condition comprises a total number of write-interest calls to a particular socket of the messaging system exceeding a first threshold value, wherein the write-interest calls are associated with the first topic, and wherein the total number of write-interest calls are received by the messaging system within a set duration of time; the processor disassociating the first topic from the first delivery means; the processor reassociating the first topic with a second delivery means of the two delivery means that is distinct from the first delivery means; and the processor instructing the messaging system to begin delivering all messages associated with the first topic by the second delivery means.

10. The computer program product of claim 9 , further comprising: the processor disassociating and reassociating only if the processor determines that delivering the first message by the second delivery means would not cause a characteristic of the first topic to trigger a warning condition.

11. The computer program product of claim 9 , wherein the two delivery means consist of a push delivery means and a pull delivery means.

12. The computer program product of claim 11 , wherein the pull delivery mechanism is selected from a group consisting of: HTTP polling, long polling, and busy-wait polling.

13. The computer program product of claim 11 , wherein the push delivery means is a publish/subscribe communications architecture.

14. The computer program product of claim 11 , wherein the first delivery means is a publish/subscribe communications architecture, wherein the delivering the first message by means of the first delivery means comprises communicating the first message to a first subset of users of the plurality of users, wherein the first subset of users comprises all users of the plurality of users that are subscribed to the first topic, and wherein the first delivery means comprises sending information to a recipient user of the first subset of users through a persistent connection between the messaging system and the recipient user.

15. The computer program product of claim 14 , wherein the disassociating and reassociating comprises the processor automatically notifying the recipient user that the persistent connection between the messaging system and the recipient user will be closed and that the messaging system will begin delivering messages characterized by the first topic by the pull delivery means.

16. A computer system comprising a processor, a memory coupled to said processor, and a computer-readable hardware storage device coupled to said processor, said storage device containing program code configured to be run by said processor via the memory to implement a method for optimizing operation of a messaging system, wherein the messaging system is capable of using either of two delivery means to deliver each message of a plurality of messages to one or more users of a plurality of users, wherein each message of the plurality of messages is characterized by a topic of a plurality of topics, wherein each topic of the plurality of topics is initially associated with either one or the other of the two delivery means, wherein a first topic of the plurality of topics is associated with a first delivery means of the two delivery means, wherein the messaging system employs the first delivery means to deliver all messages characterized by the first topic, and wherein a first message of the plurality of messages is characterized by the first topic, the method comprising: a processor of a computer system determining that delivering the first message by the first delivery means triggers a warning condition, wherein the warning condition comprises a total number of write-interest calls to a particular socket of the messaging system exceeding a first threshold value, wherein the write-interest calls are associated with the first topic, and wherein the total number of write-interest calls are received by the messaging system within a set duration of time; the processor disassociating the first topic from the first delivery means; the processor reassociating the first topic with a second delivery means of the two delivery means that is distinct from the first delivery means; and the processor instructing the messaging system to begin delivering all messages associated with the first topic by the second delivery means.

17. The computer system of claim 16 , wherein the two delivery means consist of a polling mechanism and a publish/subscribe communications architecture.